SB2019021203 - Denial of service in NGINX Unit



SB2019021203 - Denial of service in NGINX Unit

Published: February 12, 2019 Updated: February 12, 2019

Security Bulletin ID SB2019021203
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2019-7401)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to a boundary error when processing malicious input. A remote attacker can supply a specially crafted request, trigger heap-based buffer overflow and cause the router process to crash.


Remediation

Install update from vendor's website.